WILTON 14841 R-4.5, Rubber Face Jaw Cap, 4-1/2" Jaw Width

Wilton Rubber Magnefix Jaw Caps are constructed of aluminum and synthetic rubber. Rubber faces conform to the workpiece and grip firmly without slipping.
Features and Benefits:
MODEL R - RUBBER FACE MAGNEFIX JAW CAPS
Aluminum alloy with synthetic rubber cover
Jaw cap conforms to workpiece and grips firmly without slipping while protecting work surface
Use in combination with Aluminum and Prism Jaw Caps to clamp taper pins or tapered workpieces
Temporary work-holding systems.
Designed to protect both the vise jaws and the workpiece from marring and distortion during any clamping application
Caps are constructed from a hardened aluminum alloy with two built-in circular permanent magnets on the backside which holds the product securely to the vise
Caps are magnetic towards the vise side to prevent steel filings from attaching themselves to the jaws and keep the clamped part from becoming magnetized